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Aircraft Structures

Unit Code: HES2930




Duration

Contact Hours

Campus

Prerequisite

Corequisite

1 Semester

48 hours

Hawthorn

Nil

Nil

Credit Points: 12.5 Credit Points


Related Course/s:

A unit of study in the Bachelor of Aviation, Bachelor of Aviation (Management), Bachelor of Aviation/Bachelor of Commerce and Bachelor of Aviation (Management)/Bachelor of Commerce

Aims & Objectives:

To provide students with an introduction to the strength of materials and their behaviour as loaded members in aircraft structures. Corrosion and fatigue is also addressed in the context of an aging general aviation aircraft fleet.

At the completion of this unit, students will have developed a fundamental knowledge of static equilibrium, aircraft structural members and materials and the method in which aircraft structures react load. Students will also understand the detrimental effects of corrosion and fatigue and how this is managed in aircraft fleets.

Teaching Methods:

Classroom

Assessment:

Examination 60%; Assessed work 40%.

Generic Skills Outcomes:

At the completion of this unit, students should exhibit the following graduate attributes:

  • Are capable in their chosen professional, vocational or study areas
  • Operate effectively and ethically in work and community situations
  • Are aware of environments in which they will be contributing

Content:

  • Structural loading; aerodynamic and inertia
  • Load analysis
  • Structurally determinate struts, ties, beams, shafts and simple frames
  • Shear force, axial force, torque and bending moment diagrams
  • Stress and strain
  • Normal stress, average shear stress, bending stress and shear stress due to torque, Young's Modulus, strain.
  • Euler buckling of slender pin jointed columns
  • Yield stress and ultimate stress
  • Safety factors
  • Limit, proof and ultimate load
  • Introduction to aircraft materials
  • Aluminum alloys, steel alloys, advanced composites
  • Metal corrosion
  • Causes, time dependent, time related and time independent, common areas of corrosion in aircraft structures, methods of protection.
  • Fatigue: The mechanism of fatigue, manoeuvre and gust load spectra, stress concentrations, crack propagation. Fatigue life determination and fatigue test methods. Safe Life and Fail safe philosophies.

References:

Bruhn, EF, Analysis and Design of Flight Vehicle Structures, S.R. Jacobs, 1973.
Hall, AS, An Introduction to the Mechanics of Solids, 2nd edn, Wiley, 1973.
Meriam, J & Kraige, L, Engineering Mechanics: Statics, 5th edn, John Wiley Sons, 2001.
Roark, RJ, Roark's Formulas for Stress and Strain, 7th edn, McGraw-Hill., 2001.
Jastrzebski, ZD, The Nature and Properties of Engineering Materials, 3rd edn, Wiley, 1987.
Middleton, D, Composite Materials in Aircraft Structures.
Hoskin, BC & Baker, AA (eds), Composite Materials for Aircraft Structures, AIAA, 1986.
Anon, Aircraft Corrosion Control, EA-CC-1. IAP Inc.